> Markdown version of [/jobs/ext/2994745-jr-software-test-engineer](https://www.wearedevelopers.com/jobs/ext/2994745-jr-software-test-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Jr. Software Test Engineer

- **Company:** System One
- **Location:** Huntsville, AL, United States
- **Experience:** Starter
- **Salary:** $128,960.0 - $141,440.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), C (Programming Language), Java (Programming Language), .NET Framework, Automation of Tests, C Sharp (Programming Language), C++ (Programming Language), Capability Maturity Model Integration, Computer Programming, Continuous Integration, Python (Programming Language), Ruby, Software Engineering, Systems Modeling Language, Strategies of Testing, User Interface Testing, SC Clearance, Containerization, Integration Tests, Information Technology, DO-178B, Microservices
- **Published:** September 19, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3394199488&tx=IT9588THD&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* Bachelor's degree in a technical field (CS, Software Engineering, Computer/Electrical/Aerospace Engineering, Math, etc.) with 3.0+ GPA
 * 2+ years of relevant technical experience (with a BS)
 * Active Secret clearance OR ability to obtain and maintain a Secret clearance
 * Hands-on experience with software testing on complex projects
 * Experience with test automation
 * Programming experience in one or more: C#/.NET, C, C++, Java, Python, or Ruby
 * Strong communication skills (able to share updates clearly with teammates and stakeholders)

Nice-to-haves

 * Automated UI testing experience
 * Familiarity with standards/processes like IEEE 12207, CMMI, DO-178C/DO-278, MIL-STD-882E, RMF
 * Exposure to CI/CD, containerization, microservices
 * Experience testing systems related to navigation, mission planning, sensors, guidance & control
 * Familiarity with MBSE/SysML and hardware-software integration concepts

## Description

Join a team supporting defense/tactical systems where you'll help test and validate software used for mission-critical tools and applications. This is a great opportunity for someone early in their career to grow alongside experienced test engineers while working on meaningful programs.

What you'll do

 * Help create and execute test plans, test strategies, and test cases
 * Perform automated testing and support the test framework/infrastructure
 * Assist with integration testing and some manual testing
 * Review, edit, and create engineering/test documentation (industry-standard formats)
 * Work closely with software developers and cross-functional team members
 * Support formal qualification testing, fielding, and ongoing maintenance as needed, System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan., System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.


## Related Videos

- [Coffee with Developers: David Heinemeier Hansson](https://www.wearedevelopers.com/videos/875-coffee-with-developers-david-heinemeier-hansson)
- [Testing .NET applications a Tool box for every developer](https://www.wearedevelopers.com/videos/704-testing-net-applications-a-tool-box-for-every-developer)
- [Coroutine explained yet again 60 years later](https://www.wearedevelopers.com/videos/690-coroutine-explained-yet-again-60-years-later)
- [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation)
- [Are you still programming unit tests or already generating?](https://www.wearedevelopers.com/videos/722-are-you-still-programming-unit-tests-or-already-generating)
- [Fireside Chat with Werner Vogels, VP & CTO, Amazon.com & Daniel Gebler, CTO at Picnic](https://www.wearedevelopers.com/videos/1405-fireside-chat-with-werner-vogels-vp-cto-amazon-com-daniel-gebler-cto-at-picnic)

## Related Articles

- [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)
- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023)
- [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges)
- [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard)
- [Quick guide: How to write a Software Developer CV](https://www.wearedevelopers.com/magazine/37-quick-guide-how-to-write-a-software-developer-cv)